Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
stamfordpublicschools.org
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 20:15:46 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 1
- us-smtp-inbound-1.mimecast.com: 1
A / AAAA Records
- 104.17.68.73 (no PTR)
Mail Server IPs
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns71.worldnic.com namehost.worldnic.com 125121213 10800 3600 604800 3600
Primary NS (mname)
ns71.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125121213
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns72.worldnic.com
ns71.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:spf.mandrillapp.com include:us._netblocks.mimecast.com include:authsmtp.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- 0ed1fe018a4699c0ba38cd4d4f90dc31307c896eab
- apple-domain-verification=7symqISS0P2eT1ro
- zoho-verification=zb89663618.zmverify.zoho.com
- formstack-domain-verification=8eb016b3587211e30ae917f5db0b91f8
- google-site-verification=230D1bhHkQQBonZzn3c9vGKSjDOe3Peb5uJG7aRkF6c
- SPFv=spf1 include:_spf.google.com include:spf.mandrillapp.com include:us._netblocks.mimecast.com include:authsmtp.com ~all
- 3a9a5rvfmukp1m94kpe52tfc65
- MS=ms44496608
- MS=ms27334068
- as=1539897703
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